Eaton CB1233T120480GAO Pringle bolted switch - UL Listed
Part Number: CB1233T120480GAO
Quick Summary
The Eaton CB1233T120480GAO is a bolted pressure contact switch engineered for high-current protection in industrial power distribution. Manufacturers often battle nuisance trips and incomplete fault protection in top-feed, three-pole configurations. UL Listed certification accompanies rugged NEMA compatibility—rated for NEMA 1, 3R, 4, and 12 enclosures—while optional features like Ground Fault Relay and auxiliary contacts expand safety and diagnostics. For project teams seeking reliable protection with straightforward installation and maintenance, this switch combines ease of integration with durable, industry-grade protection.
Product Information
Extended Description
CB1233T120480GAO Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (does not trip),1200A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480GAO
UPC
782116898688
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
OPTIONAL Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions, AVAILABLE.
Feed type
Top
Fuse configuration
Top feed
Ground
Ground fault with control power transformer
Number Of Poles
Three-pole
Number of wires
3
Switch type
Electrical trip with charge-before-close mechanism
Type
Pringle bolted pressure contact switch
Amperage Rating
1200A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
BFD with three normally off lights (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233T120480GAO
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: The CB1233T120480GAO offers a 1200A amperage rating with 480V system voltage and a 120V control circuit for precise, three-pole protection. Business impact: this combination delivers robust fault protection and reduces downtime by coordinating with fusible protection in high-current feeders. Application: ideal for large industrial feeders, switchgear, and panelboards serving motors and process equipment. Feature: Top feed configuration and pringle bolted pressure contact design simplify wiring and ensure secure connections. Business impact: installation time is reduced and connection reliability is improved, which lowers field maintenance costs. Application: well-suited for top-fed assemblies in plant electrical rooms and outdoor enclosures. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Kirk provisions, and auxiliary contact provisions expand protection and diagnostics. Business impact: enables early fault detection, safer startup sequences, and easier integration with PLCs or monitoring systems. Application: valuable in facilities requiring enhanced safety interlocks and remote monitoring. Feature: UL Listed certification, plus NEMA ratings of 1, 3R, 4, and 12, ensure compatibility with diverse enclosures and harsh environments. Business impact: reduces compliance risk and accelerates procurement by offering a ready-to-install protection device. Application: suitable for control panels, weather-protected sites, and rugged industrial spaces. Feature: Durable construction and a documented warranty (one year from installation or 18 months from shipment) support long service life. Business impact: lowers total cost of ownership by minimizing replacement cycles and service interruptions. Application: reliable protection for mission-critical processes in manufacturing, mining, and energy sectors.
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FAQs
Installers should verify system voltage compatibility (480 V), connect the top-feed conductors to the three poles, and ensure the 120 V control circuit is properly wired to the control power transformer. Use the optional ground fault relay or auxiliary contacts as needed for diagnostics. Follow UL guidelines and the enclosure’s clearance requirements to minimize heat buildup and ensure safe operation.
Key specs include a 1200A amperage rating, 480V system voltage, 120V control voltage, three-pole configuration, fusible protection, and NEMA ratings of 1, 3R, 4, and 12. The device uses a top feed with three wires and provides an electrical trip with charge-before-close to improve safety during switching.
Yes. The CB1233T120480GAO is designed for high-current, three-pole protection suitable for large motor feeders, switchgear, and panelboards. Its fusible protection and top-feed design support reliable coordination with upstream protection schemes, reducing nuisance trips while providing robust fault protection in demanding manufacturing environments.
The CB1233T120480GAO is UL Listed, ensuring compliance with recognized safety standards for electrical devices. It also offers broad NEMA enclosure compatibility (1, 3R, 4, 12), supporting diverse installation environments from clean rooms to exposed outdoor sites. These certifications help validate safety, reliability, and procurement readiness for regulated projects.
The product carries Eaton’s warranty of one year from installation or eighteen months from shipment, whichever comes first. Routine maintenance includes periodic inspection of connections, verification of ground fault protection options if installed, and firmware/PLC integration checks. This support minimizes downtime and extends the protection’s effective life.